Home / 2,746.20-4,119.30-2,090.10

Finding the Fourth Proportional to 2,746.20, 4,119.30 and 2,090.10

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Solution

The fourth proportional to 2,746.20, 4,119.30 and 2,090.10 is: 3,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.20 : 4,119.30 = 2,090.10 : x
  2. Step 2: Convert to fraction form
    2,746.20/4,119.30 = 2,090.10/x
  3. Step 3: Cross multiply
    2,746.20x = 4,119.30 × 2,090.10
  4. Step 4: Simplify right side
    2,746.20x = 8,609,748.93
  5. Step 5: Solve for x
    x = 8,609,748.93/2,746.20
  6. Step 6: Final answer
    x = 3,135.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.